Novak Djokovic: World number one hopeful for 'a positive result' on US tournaments participation | CNN
World number one Alcaraz ruled out of Australian Open due to injury - Read Qatar Tribune on the go for unrivalled news coverage
Novak Djokovic: World's number one tennis player to miss Miami Open due to vaccination status | CNN
Carlos Alcaraz Takes World No. 1 Ranking Into The Miami Open - The New York Times
Best tennis players in the world: From Roger Federer to Serena Williams
:focal(1355x470:1357x468)/origin-imgresizer.eurosport.com/2016/11/05/1964227-41280027-2560-1440.jpg "Andy Murray: Latest news and updates, net worth, age, coach, world ranking, ATP and Olympic success - Eurosport")
Andy Murray: Latest news and updates, net worth, age, coach, world ranking, ATP and Olympic success - Eurosport
Ashleigh Barty: World number one makes shock call to quit tennis - BBC News
Medvedev will become world number one after Djokovic's defeat at Dubai Open
Former world number one Halep provisionally suspended for doping | Reuters
Novak Djokovic equals Steffi Graf's record for most weeks as world number one - BBC Sport
No longer fighting to be world number one: Rafael Nadal | Deccan Herald
Roger Federer, 36, aims to become oldest world No.1 tennis player in history
Nadal: 'Number one ranking no longer the fight' - Sportstar
Mastercard Incorporated - Mastercard Adds World Number One Tennis Player Naomi Osaka to Global Sponsorship Portfolio
Tennis: Barty a win away from world number one | Reuters.com
Wozniacki wants last hurrah after bravery loses out to brittleness | Caroline Wozniacki | The Guardian
ATP rankings - Wikipedia
Roger Federer Is World No. 1 Again Despite Not Playing for 2 Months
World No.1 Ashleigh Barty hopes 2020 will be golden year
List of ATP number 1 ranked singles tennis players - Wikipedia
Carlos Alcaraz vs. Frances Tiafoe result, score, highlights as Spanish teenager makes US Open final | Sporting News Australia
